Title:
REMOVAL OF NITROGEN CONTAINING COMPOUNDS FROM TOBACCO
Document Type and Number:
WIPO Patent Application WO2005112669
Kind Code:
A3
Abstract:
The present invention provides for a process for removing nitrogen containing compounds from tobacco with minimum removal of desired compounds. The process includes the steps of mixing a tobacco containing material with an aqueous solvent to form an extract; the extract is then separated from the tobacco containing material and contacted with an adsorbent material. The adsorbent material is selected from the group consisting of a bentonite and activated carbon material, ß-cyclodextrin, cellulose acetate and combinations thereof. The extract is then added back to the tobacco containing material that may or may not have been processed.
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Inventors:
MUA JOHN-PAUL (US)
HAYES BRAD L (US)
HAYES BRAD L (US)
Application Number:
PCT/US2005/012679
Publication Date:
June 15, 2006
Filing Date:
April 14, 2005
Export Citation:
Assignee:
BROWN & WILLIAMSON HOLDINGS (US)
MUA JOHN-PAUL (US)
HAYES BRAD L (US)
MUA JOHN-PAUL (US)
HAYES BRAD L (US)
International Classes:
A24B15/24; A24B15/00; B01J20/02; B01J20/12; B01J20/20; B01J20/26
Domestic Patent References:
| WO2002003817A2 | 2002-01-17 |
Foreign References:
| US20040045565A1 | 2004-03-11 | |||
| EP0862865A1 | 1998-09-09 | |||
| US5601097A | 1997-02-11 | |||
| US20020134394A1 | 2002-09-26 | |||
| US4765908A | 1988-08-23 | |||
| EP0477538A2 | 1992-04-01 | |||
| EP0823206A1 | 1998-02-11 | |||
| DE9413689U1 | 1994-10-27 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 008, no. 172 (C - 237) 9 August 1984 (1984-08-09)
PATENT ABSTRACTS OF JAPAN vol. 009, no. 096 (C - 278) 25 April 1985 (1985-04-25)
PATENT ABSTRACTS OF JAPAN vol. 009, no. 096 (C - 278) 25 April 1985 (1985-04-25)
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